2 citations · 4 across the 3 of their papers we have counts for
3 papers
physics.pop-ph2016★ 2 cited
Accurate Measurements of Free Flight Drag Coefficients with Amateur Doppler Radar
Elya Courtney, Collin Morris, Michael Courtney
In earlier papers, techniques have been described using optical chronographs to determine free flight drag coefficients with an accuracy of 1-2%, accomplished by measuring near and…
physics.pop-ph2015
Powder Lot Variations: A Case Study with Varget - Hodgdon Extreme
Elya Courtney, Michael Courtney
Small arms propellant distributor Hodgdon claims that rifle powders in its Extreme line have small velocity variations with both temperature changes and lot number. This paper repo…
physics.pop-ph2014★ 2 cited
Performance testing of lead free primers: blast waves, velocity variations, and environmental testing
Elya Courtney, Amy Courtney, Peter David Summer +1
Results are presented for lead free primers based on diazodinitrophenol (DDNP)compared with tests on lead styphnate based primers. First, barrel friction measurements in 5.56 mm NA…